KELLY BUSHING PIN DRIVEABKB MODEL : 27 PDHD OR 20 PDHD :

The ABKB MODEL 27 PDHD OR 20 PDHD are developed as per API-7K specifications for pin drive master bushing for rotary table sizes from 27-1/2" to 49-1/2" having 25-3/4" and 23" dia pin center. This unit is used for heavy duty drilling operations and high torque conditions on off shore as well as on-shore drilling operations and handle Kelly sizes from 3" to 6" Square or Hexagonal.

This unit will consist of the following:

Kelly Bushings complete

Wrench

Wiper Assembly

Wear gauge

KELLY BUSHING SQUARE DRIVEABKB Model SDHD :

The ABKB MODEL SDHD is developed as per API-7K specifications for Square Drive Master Bushing for rotary table size from 27-1/2" to 49-1/2" . This unit is used for heavy duty drilling operations and high torque conditions on off shore as well as on-shore drilling operations, which handle Kelly size from 3" to 6" Square or Hexagonal.

This unit will consist of the following:

Kelly Bushings complete

Wrench

Wiper Assembly

Wear gauge

NOTE : Roller Assembly is common for 27 PDHD, 20 PDHD and SDHD.

(All the parts are interchangeable with Varco 27HDP, 20HDP or HDS Model for Kelly Bushing)

OPTIONAL PIN LOCK ASSEMBLY:

The Optional Drive Pin Lock Assembly locks the Kelly Bushing in the Master
Bushing for use in offshore drilling while using motion compensators. Lock
assemblies are available for the 27 PDHD series bushing. To order with an
assembly, add "L" to the part Number of the unit.